\begin{tabular}{r c c c c c}
	  & arithmetic & register & shared & L2 & global \\
  \hline
  FDTD update        &  960 & 128 &  -- &  -- & -- \\
  field buffer       &   -- &  -- & 240 & 120 & 24 \\
  material buffer    &   -- &  -- & 120 &  30 &  6 \\
  absorption profile &   -- &  96 &  -- &  -- &  4 \\ 
  source profile     &   64 & 128 &  -- &  -- &  4 \\ 
  PML update         &   64 & 256 &  -- &  -- & -- \\
  \hline
  total              & 1088 & 608 & 360 & 150 & 38 \\
	  & operations & bytes & bytes & bytes & bytes \\
\end{tabular}
